331987712

素因数分解:

$2^8\times 7^1\times {\mathrm{229}}^1\times {\mathrm{809}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 761594400

約数和(自身を除く): 429606688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 229, 256, 448, 458, 809, 896, 916, 1603, 1618, 1792, 1832, 3206, 3236, 3664, 5663, 6412, 6472, 7328, 11326, 12824, 12944, 14656, 22652, 25648, 25888, 29312, 45304, 51296, 51776, 58624, 90608, 102592, 103552, 181216, 185261, 205184, 207104, 362432, 370522, 410368, 724864, 741044, 1296827, 1449728, 1482088, 2593654, 2964176, 5187308, 5928352, 10374616, 11856704, 20749232, 23713408, 41498464, 47426816, 82996928, 165993856, 331987712]

約数ペア:

[(1, 331987712), (2, 165993856), (4, 82996928), (7, 47426816), (8, 41498464), (14, 23713408), (16, 20749232), (28, 11856704), (32, 10374616), (56, 5928352), (64, 5187308), (112, 2964176), (128, 2593654), (224, 1482088), (229, 1449728), (256, 1296827), (448, 741044), (458, 724864), (809, 410368), (896, 370522), (916, 362432), (1603, 207104), (1618, 205184), (1792, 185261), (1832, 181216), (3206, 103552), (3236, 102592), (3664, 90608), (5663, 58624), (6412, 51776), (6472, 51296), (7328, 45304), (11326, 29312), (12824, 25888), (12944, 25648), (14656, 22652)]